30-33100 Top End Service Kit SS Valve Conversion W/Springs
30-33100 Top End Service Kit SS Valve Conversion W/Springs
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30-33100 Top End Service Kit SS Valve Conversion W/Springs
Upgrade your racing experience with the 30-33100 Top End Service Kit, a premium solution designed specifically for the high-performance demands of popular motocross bikes and quads. This kit offers a flawless blend of durability and performance, ensuring you get the most out of your engine.
Key Features:
- High Compression Design: The pistons feature a domed piston deck that maintains stock compression levels, counteracting any volume changes caused by dished stainless valves.
- Lightweight Stainless Steel Valvetrain: The conversion to Black Diamond™ Stainless Steel Valves not only enhances durability but also offers up to double the lifespan compared to stock Titanium valves, all while preserving outstanding performance.
- Precision Engineering: Each piston is crafted from 2618 Alloy and fully CNC machined, featuring a performance skirt coating for optimal efficiency.
- Comprehensive Kit: This service kit includes everything you need for a top-end rebuild, including pistons, rings, clips, pins, and a complete top end gasket kit by Cometic.
- Advanced Spring Kit: The lightweight racing spring kit is compatible with high-performance cams and allows for impressive valve lift of up to 0.440” for both intake and exhaust.
- Included Components: The kit comes equipped with KPMI® S.S. Black Diamond™ Valves, maintaining stock head diameter for an easy fit.
Transform your engine with the 30-33100 Top End Service Kit and experience the difference in performance and longevity. Perfect for racers and enthusiasts who demand the best from their machines.
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

